Goodwill and Other Intangible Assets - Carrying Amount of Finite-lived and Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Finite-lived assets
Gross Carrying Amount	$ 254,645	$ 229,245
Accumulated Amortization	117,581	104,501
Net Carrying Amount	137,064	124,744
Indefinite-lived assets
Intangible assets, gross	259,345	229,245
Intangibles, Net	141,764	124,744
Trade names and trademarks
Indefinite-lived assets
Indefinite-lived Intangible Assets (Excluding Goodwill)	4,700	0
Electronic Systems
Finite-lived assets
Accumulated Amortization	90,191	80,903
Net Carrying Amount	74,354
Indefinite-lived assets
Intangible assets, gross	164,545	164,545
Intangibles, Net	74,354	83,642
Structural Systems
Finite-lived assets
Accumulated Amortization	27,390	23,598
Net Carrying Amount	62,710
Indefinite-lived assets
Intangible assets, gross	94,800	64,700
Intangibles, Net	$ 67,410	41,102
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of intangible assets (in years)	17 years
Finite-lived assets
Gross Carrying Amount	$ 246,300	221,500
Accumulated Amortization	114,169	101,535
Net Carrying Amount	$ 132,131	119,965
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of intangible assets (in years)	14 years
Finite-lived assets
Gross Carrying Amount	$ 5,500	5,500
Accumulated Amortization	1,263	857
Net Carrying Amount	$ 4,237	4,643
Contract renewal
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of intangible assets (in years)	14 years
Finite-lived assets
Gross Carrying Amount	$ 1,845	1,845
Accumulated Amortization	1,845	1,845
Net Carrying Amount	$ 0	0
Technology
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of intangible assets (in years)	15 years
Finite-lived assets
Gross Carrying Amount	$ 400	400
Accumulated Amortization	291	264
Net Carrying Amount	$ 109	136
Backlog
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of intangible assets (in years)	2 years
Finite-lived assets
Gross Carrying Amount	$ 600	0
Accumulated Amortization	13	0
Net Carrying Amount	$ 587	$ 0